CN102594376A - Method for receiving wireless signal and wireless communication device - Google Patents
Method for receiving wireless signal and wireless communication device Download PDFInfo
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- CN102594376A CN102594376A CN2012100188702A CN201210018870A CN102594376A CN 102594376 A CN102594376 A CN 102594376A CN 2012100188702 A CN2012100188702 A CN 2012100188702A CN 201210018870 A CN201210018870 A CN 201210018870A CN 102594376 A CN102594376 A CN 102594376A
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Abstract
The embodiment of the invention discloses a method for receiving a wireless signal and a wireless communication device. The method comprises the following steps of: controlling an antenna to rotate according to a preset stepping value; detecting the quality of the wireless signal received by virtue of the antenna at each rotation position; determining a target rotation position with the optimal signal quality; and controlling the antenna to rotate to the target rotation position so as to receive the wireless signal. According to the scheme of the embodiment of the invention, the antenna is controlled to rotate to the target rotation position according to the quality of the received wireless signal so as to ensure that the antenna is always in the optimal receiving state and performances of the wireless communication device are improved.
Description
Technical field
The present invention relates to wireless communication technology field, in particular to a kind of method and Wireless Telecom Equipment that receives wireless signal.
Background technology
Along with the 3G development of wireless communication devices, the speed of wireless Internet access is more and more faster, has caused the flourish of 3G wireless data card thus.The profile of wireless Internet card is varied at present; Wherein present rotatable data card (Rotate USB Stick) becomes the main flow of data card development; But because after inserting portable machine; Data card can be rotated along with the axle that is fixed on USB interface, so for the wireless signal quality of reception, exist very big variation.Because the antenna of the type data card is certain, antenna parameter can not change, so in the user used, if random spin data card, then the wireless signal strength and the quality of antenna reception all altered a great deal, and directly cause the decline of service feature sometimes.Therefore, need a kind ofly can guarantee the wireless signal strength of antenna reception and solution the best in quality.
Summary of the invention
Provided hereinafter about brief overview of the present invention, so that the basic comprehension about some aspect of the present invention is provided.Should be appreciated that this general introduction is not about exhaustive general introduction of the present invention.It is not that intention is confirmed key of the present invention or pith, neither be intended to limit scope of the present invention.Its purpose only is to provide some notion with the form of simplifying, with this as the preorder in greater detail of argumentation after a while.
On the one hand, the embodiment of the invention has proposed a kind of method that receives wireless signal, comprising: control antenna is rotated according to given in advance step value; Detection is at the signal quality of each position of rotation through the wireless signal that said antenna received; Confirm to have the target position of rotation of optimum signal quality; And control antenna rotates to said target position of rotation, is used to receive wireless signal.
On the other hand, the embodiment of the invention has proposed a kind of Wireless Telecom Equipment, comprising: antenna is used to receive wireless signal; Rotating control assembly is used for control antenna and is rotated according to given in advance step value, and control antenna rotates to the target position of rotation; Checkout gear is used to detect at the signal quality of each position of rotation through the wireless signal that said antenna received; Position determining means, the target position of rotation that is used to confirm to have optimum signal quality.
Owing in the scheme of the embodiment of the invention, come control antenna to rotate to the target position of rotation, thereby guaranteed that antenna is in best accepting state all the time, has improved the performance of Wireless Telecom Equipment according to the quality of the wireless signal that receives.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use among the embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 shows the flow chart according to the method for the reception wireless signal of the embodiment of the invention;
Fig. 2 shows the schematic diagram of Wireless Telecom Equipment; And
Fig. 3 shows rotatable wireless data card and the schematic diagram of the personal computer that is associated.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, complete description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
The inventor notices have various wireless communication equipment to have rotable antenna at present, yet the user possibly and not know how just can obtain best performance when using this Wireless Telecom Equipment.For example; For rotatable data card; User's ordinary practice is in vertically being provided with antenna, yet for the OTA test shows of data card, for the PC that lies in horizontal table top (180 degree); About high 3-4dB, this is more than a times of vertical mode with regard to the receiving sensitivity that means horizontal mode to such data card under the wireless space total received power (TIS) of level 180 degree compares perpendicular to the situation of PC (90 degree).Therefore, the embodiment of the invention has proposed a kind of parameter that reports according to some crucial wireless receiving signals of Wireless Telecom Equipment itself and has come the dynamically method of adjustment aerial position, improves this type problem that occurs in the actual use of user greatly.
Fig. 1 shows the flow chart according to the method for the reception wireless signal of the embodiment of the invention.It is thus clear that this method comprises the steps:
For example for the 2G system,, explain that the signal quality that antenna receives is good more if the signal strength signal intensity RSSI that receives is big more.As long as the transmitting power of UE satisfies the requirement of network side; Network side will give preferential resource usually and guarantee that for example allow high performance coded system to set up, the performance of UE is just good more so so; The speed of uploading and downloading then crucial for subscriber equipment will be higher, and is more stable.The scope of RSSI usually at-25dBm between-the 110dBm.Therefore the position that can confirm to have maximum RSSI is as the target position of rotation.In addition, when RSSI was maximum, the transmitting power of subscriber equipment was also minimum usually, therefore also can further reduce power consumption.
For the 3G system, can be to received signal in sign indicating number power RSCP, the intensity that receives signal and the horizontal ratio EC/IO of adjacent area interference, these parameters of channel quality indicator (CQI) one or more, perhaps their combination is judged.Usually, RSCP, EC/IO, these more parameters of CQI are big, show correspondingly that then received signal quality is good more, therefore these parameters are had peaked position as the target position of rotation.About these parameters, below also with further explain.
Because in an embodiment of the present invention; Automatically antenna has been carried out rotation and correspondingly selected the aerial position with optimum signal quality according to given in advance step value in the slewing area of antenna; Therefore guarantee subscriber equipment always with the performance work of optimum, and can reduce power consumption.
In addition, said method can be provided with periodically and carry out through the user, perhaps can periodically carry out or the execution of Event triggered ground.For example, owing to position change in the course of work of subscriber equipment causes change of network environment, the user can make subscriber equipment carry out said method again on one's own initiative and find optimal antenna position at this moment.Perhaps, subscriber equipment is carried out said method again according to the predefined cycle.Perhaps, subscriber equipment can drop at the signal quality of the wireless signal that receives when being lower than pre-set threshold, carries out said method again.Thus, can guarantee further that the antenna of subscriber equipment also is in the optimum reception position when change of network environment.
The signal quality parameter that regards to the 3G system down describes.
Have the signal quality that a plurality of parameters are indicated the wireless signal that is received in the 3G system, wherein mainly comprise received signal code power RSCP, the intensity that receives signal and the horizontal ratio EC/IO of adjacent area interference, channel quality indicator (CQI).
Can confirm the signal strength signal intensity RSSI that receives in the 3G system through RSCP and EC/IO.Particularly, the numerical value of RSSI is confirmed through following mode: | RSSI|=|RSCP|-|EC/IO| is-100dBm that EC/IO is-10dBm that then RSSI is-90dBm such as RSCP.
And CQI and RSCP and EC/IO have direct relation, but this relation has relation with different chip manufacturers, is not described in detail here.Usually, RSCP is big more, and EC/IO is more little, and CQI is just big more so.
Usually, between-the 120dBm, numerical value is big more, shows that then received signal code power is big more, so signal quality is good more at-25dBm for the span of received signal code power RSCP, for example-and the RSCP of 25dBm has ratio-120dBm better signal quality.
For the intensity and the horizontal ratio EC/IO of adjacent area interference that receive signal, be that numerical value is big more equally, show that then signal quality is good more.Usually, those skilled in the art think:
Ec/Io＞=-5 are outstanding
-5＞Ec/Io＞=-7 are good
-7＞Ec/Io＞=-9 are general
-9＞Ec/Io＞=-12 are relatively poor
The non-constant in-12＞Ec/Io＞=-15
-15＞Ec/Io can think not to be had to cover.
Channel quality indicator (CQI) is the parameter that shows channel quality.CQI is big more, shows that then channel quality is good more, so communication network may be given this communication equipment with more resource allocations.Below table 1 show CQI parameter and the relation of data service performance that an ability is the 3G communication equipment of 1-6 grade (Category).
Table 1
Can find out that from last table the scope of CQI is between 0-30, CQI is big more, and then network can give the service resources of UE many more, so finally causes the data service performance of UE good more.
Thus; In the scheme of the embodiment of the invention, the signal quality of the wireless signal that can confirm to be received according in above-mentioned received signal code power RSCP, the intensity that receives signal and the horizontal ratio EC/IO of adjacent area interference, the channel quality indicator (CQI) one or more.
Also possible is to judge signal quality according to the combination of above-mentioned parameter RSCP, EC/IO, CQI.For example, can design following parameter:
X＝CQI*80％+EC/IO*15％+RSCP*5％
It is thus clear that in this parameter X, CQI occupies leading factor, that is to say that parameter X has taken all factors into consideration above-mentioned three parameters, yet mainly consider the influence of channel quality indicator (CQI).Wherein the X value is big more, shows that then signal quality is good more.
Need to prove that top formula only is exemplary, those skilled in the art can design this parameter X fully as required.
In addition; Though only be described above to 2G system and 3G system; What yet those skilled in the art expected easily is, the scheme of the embodiment of the invention is irrelevant with communication standard in fact, and so long as rotate reception antenna according to received signal quality; Make antenna to receive signal in optimum state, such scheme just belongs to the disclosed scope of the embodiment of the invention.
Correspondingly, according to one embodiment of present invention, a kind of Wireless Telecom Equipment has been proposed.
Fig. 2 shows the schematic diagram of Wireless Telecom Equipment 200.It is thus clear that this Wireless Telecom Equipment 200 comprises: antenna 210 is used to receive wireless signal; Rotating control assembly 220 is used for control antenna and is rotated according to given in advance step value, and control antenna rotates to the target position of rotation; Checkout gear 230 is used to detect at the signal quality of each position of rotation through the wireless signal that said antenna received; And position determining means 240, the target position of rotation that is used to confirm to have optimum signal quality.
According to an execution mode, said checkout gear 230 specifically is used to detect at the signal strength signal intensity RSSI of each position of rotation through the wireless signal that said antenna received.
According to an execution mode; Said checkout gear 230 specifically is used for detecting at the received signal code power RSCP of each position of rotation through the wireless signal that said antenna received, wireless channel noise influences one or more of EC/IO, channel quality indicator (CQI), perhaps their combination for useful signal.
About the description of the concrete working method of this Wireless Telecom Equipment, can repeat no more here referring to the appropriate section of top method embodiment.
It should be appreciated by those skilled in the art that the function that is divided into of apparatus module is divided in the embodiment of the invention, actual concrete structure can be the fractionation or the merging of above-mentioned functions module.
Especially, said Wireless Telecom Equipment can be rotatable wireless data card.Fig. 3 shows this wireless data card and the schematic diagram of the personal computer that is associated.
In the structure chart of Fig. 3, comprise personal computer 310 and rotatable wireless data card 320.Personal computer 310 communicates through system bus and wireless data card 320.When the control program of personal computer starts the Spin Control program, through the CPU of system bus notice wireless data card 320.CPU is as rotating control assembly, and control antenna is rotated according to given in advance step value.For this reason, wireless data card can comprise Spin Control module and motor, as the actuator of antenna rotation.At each position of rotation, detect signal quality through antenna received and pass through the wireless signal of radio circuit demodulation by DSP.Likewise; In the 2G system, can detect at the signal strength signal intensity RSSI of each position of rotation through the wireless signal that said antenna received; Perhaps in the 3G system, can detect in EC/IO, the channel quality indicator (CQI) one or more of influencing for useful signal, perhaps their combination at the received signal code power RSCP of each position of rotation through the wireless signal that said antenna received, wireless channel noise.After confirming to have the target position of rotation of optimum signal quality, CPU rotates to the target position of rotation through the Motor Control antenna again.Thus; Realized automatically antenna having been carried out rotation and correspondingly having selected the aerial position with optimum signal quality according to given in advance step value in the slewing area of antenna; Therefore guarantee subscriber equipment always with the performance work of optimum, and can reduce power consumption.
One of ordinary skill in the art will appreciate that all or part of processing in the foregoing description method is to instruct relevant hardware to accomplish through program, described program can be stored in a kind of computer-readable recording medium.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. method that receives wireless signal comprises:
Control antenna is rotated according to given in advance step value;
Detection is at the signal quality of each position of rotation through the wireless signal that said antenna received;
Confirm to have the target position of rotation of optimum signal quality; And
Control antenna rotates to said target position of rotation, is used to receive wireless signal.
2. method according to claim 1 wherein detects at the signal quality of each position of rotation through the wireless signal that said antenna received and comprises: detects at the signal strength signal intensity RSSI of each position of rotation through the wireless signal that said antenna received.
3. method according to claim 1; Wherein detect at the signal quality of each position of rotation and comprise: detect at each position of rotation through in the received signal code power RSCP of the wireless signal that said antenna received, the intensity that receives signal and the horizontal ratio EC/IO of adjacent area interference, the channel quality indicator (CQI) one or more, perhaps their combination through the wireless signal that said antenna received.
4. method according to claim 1 wherein is provided with through the user and periodically carries out said method, perhaps periodically carries out said method, and perhaps said method is carried out on Event triggered ground.
5. Wireless Telecom Equipment comprises:
Antenna is used to receive wireless signal;
Rotating control assembly is used for control antenna and is rotated according to given in advance step value, and control antenna rotates to the target position of rotation;
Checkout gear is used to detect at the signal quality of each position of rotation through the wireless signal that said antenna received;
Position determining means, the target position of rotation that is used to confirm to have optimum signal quality.
6. Wireless Telecom Equipment according to claim 5, wherein said checkout gear specifically are used to detect at the signal strength signal intensity RSSI of each position of rotation through the wireless signal that said antenna received.
7. Wireless Telecom Equipment according to claim 5; Wherein said checkout gear specifically is used for detecting at the received signal code power RSCP of each position of rotation through the wireless signal that said antenna received, wireless channel noise influences one or more of EC/IO, channel quality indicator (CQI), perhaps their combination for useful signal.
8. Wireless Telecom Equipment according to claim 5, wherein said Wireless Telecom Equipment is a wireless data card.
9. Wireless Telecom Equipment according to claim 8, wherein said wireless data card comprises Spin Control module and motor, as the actuator of antenna rotation.
10. Wireless Telecom Equipment according to claim 8, wherein said checkout gear comprises digital signal processor DSP.
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| CN103079268A (en) * | 2012-12-28 | 2013-05-01 | 上海寰创通信科技股份有限公司 | Antenna positioning method of CPE (Customer Premise Equipment) |
| CN104218964A (en) * | 2014-09-04 | 2014-12-17 | 青岛海信移动通信技术股份有限公司 | Mobile terminal and Wi-Fi (wireless fidelity) antenna control method |
| CN104967493A (en) * | 2015-06-11 | 2015-10-07 | 广东欧珀移动通信有限公司 | Interference object determining method and mobile terminal |
| CN104994523A (en) * | 2015-06-11 | 2015-10-21 | 广东欧珀移动通信有限公司 | Network data transmission method and user terminal |
| CN105939408A (en) * | 2016-05-30 | 2016-09-14 | 芜湖辉灿电子科技有限公司 | Mobile phone for enhancing communication performance |
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| CN110708731A (en) * | 2019-09-18 | 2020-01-17 | 江门职业技术学院 | Wireless network bridge control method and system |
| CN111294074A (en) * | 2020-01-21 | 2020-06-16 | Oppo广东移动通信有限公司 | Antenna direction calibration method and related device |
| CN111294074B (en) * | 2020-01-21 | 2022-01-28 | Oppo广东移动通信有限公司 | Antenna direction calibration method and related device |
| US11290895B2 (en) | 2020-01-21 | 2022-03-29 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Customer premise equipment, antenna control method and non-transitory storage medium |
| US11342664B2 (en) | 2020-01-21 | 2022-05-24 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method for antenna selection and related products |
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Application publication date: 20120718 |